Which of these is a cost of mining aluminum from new bauxite deposits?

Option A, the process is highly energy-intensive. This is the correct answer.

Option (A)

Explanation:

The Aluminium is generally extracted from the deposits of bauxite, hematite, and magnetite. These bauxite deposits mainly occur in the tropical regions which mostly include the coastal areas where the rock layers are usually intermixed with clay minerals, titanium dioxide, and iron oxides. These bauxite deposits are comprised of about 20% of Aluminium and in order to obtain this Aluminium from these bauxite deposits, a large amount of energy is required and it is a very costly process.

Thus, the process is highly energy-intensive one.

Hence, the correct answer is option (A).

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